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What is an illuminator?
An illuminator, light generator or source is a box along with a lamp inside, pointing in the direction of an opening where fiber optics is secured. Obviously, it is an over-simplification, though in reality many of the illuminators available in the industry are small more than it.
Given the ratio of velocities of two light waves traveled in vacuum and having wave lengths 5000A o and 6000A o . Can you explain by working of diamonds sparkle?
Object A attracts object B with a gravatational force of 10 newtons from a given distance. If the distance between the two objects is doubled, what is the changed force of attracti
Can you explain in single slit diffraction intensity of 1 st secondary maximum is less than that of principal maximum by how many times?
Derive second law of thermodynamics According the thermodynamics II Law, *efficiency never be unity or never exceed unity. *Coefficient of performance never be infinite
Energy in transmitted in space in all direction. Example : Light and sound waves propagating in space.
a boy throws a ball of mass 20 kg vertically upwards.it raises to a maximum height of 100 m.at what height will the kinetic energy be reduced to 70%
define unlike parallel forces with example
ACCELERATION: The time rate of change of velocity of a body is known as acceleration.
What is radioactivity? Radioactivity: The process of spontaneous disintegration of the nuclei of heavy elements with the emission of certain radiations is known as natural ra
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